method

field_changed?

v3.2.8 - Show latest stable - 0 notes - Class: ActiveRecord::AttributeMethods::Dirty

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0
2.2.1
2.3.8
3.0.0 (0)
3.0.9 (0)
3.1.0 (0)
3.2.1 (0)
3.2.8 (0)
3.2.13
4.0.2
4.1.8
4.2.1
4.2.7
4.2.9
5.0.0.1
5.1.7
5.2.3
6.0.0
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2
7.1.3.4
What's this?

field_changed?(attr, old, value) private

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

# File activerecord/lib/active_record/attribute_methods/dirty.rb, line 80
      def field_changed?(attr, old, value)
        if column = column_for_attribute(attr)
          if column.number? && (changes_from_nil_to_empty_string?(column, old, value) ||
                                changes_from_zero_to_string?(old, value))
            value = nil
          else
            value = column.type_cast(value)
          end
        end

        old != value
      end

field_changed?

Related methods

No documentation